Moving Iron Voltmeter with change over Switch A selector switch is built into the instrument for measurement of AC ... 150V 200V 250V 400V 500V 3-Position: L1-L2, L1-L3, L2-L3(OFF Position is available on request)3 phase ... /150V 100/200V 150/250V, 250/400V 300/500V.6-Position: L1-L2, L1-L3, L2-L3, L1-N, ... L2-N, L3-N(OFF Position is available on request Moving Iron Voltmeter with change over ...